Fix local `cargo test --docs`
Fix local `cargo test --docs`

Differential Revision: D32772715

fbshipit-source-id: afd86fdabef04c5a63e8379514f9b7501eaa6503

xuorig/relay,facebook/relay,kassens/relay,facebook/relay,josephsavona/relay,wincent/relay,voideanvalue/relay,wincent/relay,voideanvalue/relay,wincent/relay,wincent/relay,facebook/relay,voideanvalue/relay,facebook/relay,facebook/relay,josephsavona/relay,kassens/relay,xuorig/relay,xuorig/relay,xuorig/relay,kassens/relay,voideanvalue/relay,kassens/relay,kassens/relay,josephsavona/relay,wincent/relay,xuorig/relay,xuorig/relay,facebook/relay,voideanvalue/relay,voideanvalue/relay,kassens/relay,wincent/relay